According to the statement, officers responded to the “disturbance” at 870 Commonwealth Avenue at 7:20 a.m. The incident is described as an argument between a customer and a clerk that turned violent once the customer “displayed a box cutter.” The clerk “sustained injures [sic] to his head from the box cutter,” and other customers were able to restrain the subject until police arrived on the scene.

The clerk was transported by ambulance to Brigham and Women’s Hospital with non-life-threatening injuries. The alleged attacker “faces the charge of Assault and Battery with a Dangerous Weapon [sic],” according to the statement.

The investigation is ongoing.

ORIGINAL STORY: A store clerk at the 7-Eleven convenience store on Commonwealth Avenue near St. Paul Street near Boston University’s campus was “attacked this morning,” according to Sergeant Robert J. Disario of the Brookline Police Department.

As of 7:45 Friday morning, four police cars, several officers and an ambulance were present and “sealing off the crime scene,” stated Disario. Detectives have not arrive at the crime scene yet.

Traffic is slowed on Commonwealth Avenue near the scene. No further details were released.